Use NoDebug compile units to mark debug metadata used only for sample-based

profiling and optimization remarks and indicate that no debug info shall
be emitted for these compile units.

http://reviews.llvm.org/D18808
<rdar://problem/25427165>

llvm-svn: 265862

2 files changed, 6 insertions, 4 deletions

diff --git a/clang/test/Frontend/optimization-remark.c b/clang/test/Frontend/optimization-remark.c
index e5bd75cbdb3..72cad8ff608 100644
--- a/clang/test/Frontend/optimization-remark.c
+++ b/clang/test/Frontend/optimization-remark.c
@@ -27,9 +27,10 @@
 // CHECK: , !dbg !
 // CHECK-NOT: DW_TAG_base_type
 
-// But llvm.dbg.cu should be missing (to prevent writing debug info to
+// The CU should be marked NoDebug (to prevent writing debug info to
 // the final output).
-// CHECK-NOT: !llvm.dbg.cu = !{
+// CHECK: !llvm.dbg.cu = !{![[CU:.*]]}
+// CHECK: ![[CU]] = distinct !DICompileUnit({{.*}}emissionKind: NoDebug
 
 int foo(int x, int y) __attribute__((always_inline));
 int foo(int x, int y) { return x + y; }
diff --git a/clang/test/Frontend/profile-sample-use-loc-tracking.c b/clang/test/Frontend/profile-sample-use-loc-tracking.c
index 31faad68d39..6d722c29852 100644
--- a/clang/test/Frontend/profile-sample-use-loc-tracking.c
+++ b/clang/test/Frontend/profile-sample-use-loc-tracking.c
@@ -10,9 +10,10 @@
 // CHECK: , !dbg !
 // CHECK-NOT: DW_TAG_base_type
 
-// But llvm.dbg.cu should be missing (to prevent writing debug info to
+// The CU should be marked NoDebug (to prevent writing debug info to
 // the final output).
-// CHECK-NOT: !llvm.dbg.cu = !{
+// CHECK: !llvm.dbg.cu = !{![[CU:.*]]}
+// CHECK: ![[CU]] = distinct !DICompileUnit({{.*}}emissionKind: NoDebug
 
 int bar(int j) {
   return (j + j - 2) * (j - 2) * j;